Jest process detection uses OS path separator

isJestProcessFromArguments.js

@@ -3,6 +3,8 @@ Licensed under the MIT license. See LICENSE file in the repository root for full
 
 /* istanbul ignore file: test would be a mirror of implementation */
 
+const path = require("path");
+
 module.exports =
 	argumentsOfProcess => isSecondArgumentJest(argumentsOfProcess[1]);
 
@@ -14,6 +16,6 @@ function isSecondArgumentJest(
 		||
 		argument.endsWith("jest.js")
 		||
-		argument.endsWith("jest-worker/build/child.js")
+		argument.endsWith(path.join("jest-worker", "build", "child.js"))
 	);
 }

package.json

@@ -64,5 +64,5 @@
 		"spellcheck": "find -type f \\( -name \"*.js\" -or -name \"*.md\" \\) ! -path \"./dist/*\" ! -path \"./dist/**/*\" ! -path \"./node_modules/**/*\" ! -path \"./test-coverage/**/*\" -exec npx cspell {} +",
 		"test": "npx jest --runInBand"
 	},
-	"version": "1.5.1"
+	"version": "1.5.2"
 }